Climatological Report (Monthly)
Issued by NWS

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062
CXUS53 KAPX 010521
CLMAPN

CLIMATE REPORT
NATIONAL WEATHER SERVICE
121 AM EDT THU OCT 01 2026

...................................

...THE ALPENA MI CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1916 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
HIGHEST           86   09/01         MM      MM
LOWEST            37   09/26         MM      MM
AVG. MAXIMUM    71.4               71.0     0.4
AVG. MINIMUM    48.4               47.0     1.4
MEAN            59.9               59.0     0.9
DAYS MAX >= 90     0                0.5    -0.5
DAYS MAX <= 32     0                0.0     0.0
DAYS MIN <= 32     0                1.0    -1.0
DAYS MIN <= 0      0                0.0     0.0

PRECIPITATION (INCHES)
TOTALS          2.03               2.84   -0.81
DAYS >= .01        5               11.2    -6.2
DAYS >= .10        4                6.2    -2.2
DAYS >= .50        1                1.8    -0.8
DAYS >= 1.00       1                0.5     0.5
GREATEST
 24 HR. TOTAL   1.24   09/15 TO 09/15

SNOWFALL (INCHES)
RECORDS
 TOTAL            MM   MM
TOTALS           0.0                0.0     0.0
DAYS >= TRACE      0                        0.0
DAYS >= 1.0        0                        0.0
GREATEST
 SNOW DEPTH        0
 24 HR TOTAL      MM

DEGREE DAYS
HEATING TOTAL    171                212     -41
 SINCE 7/1       197                300    -103
COOLING TOTAL     27                 32      -5
 SINCE 1/1       348                348       0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              5.2
HIGHEST WIND SPEED/DIRECTION    25/350    DATE  09/13
HIGHEST GUST SPEED/DIRECTION    35/360    DATE  09/13

SKY COVER
AVERAGE SKY COVER           0.26

AVERAGE RH (PERCENT)     75


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$